Two soap bubbles of radius `r_(1)` and `r_(2)` combine. Find radius of curvature of the common surface separating them.

Find radius of curvature of common surface

Two soap bubbles of radii r_(1) and r_(2) are attached as shown. Find the radius of curvature of the common film ACB.

When two soap bubbles of radius r_(1) and r_(2)(r_(2) gt r_(1)) coalesce, the radius of curvature of common surface is

Two soap bubbles each of radius r are touching each other. The radius of curvature of the common surface will be:

When two soap bubbles of radii a and b ( b gt a ) coalesce, the radius of curvature of common surface is :

A spherical soap bubble of radius 2 cm attached to the outside of a spherical bubble of radius 4 cm. Find the radius of curvature of the common surface.

Two soap bubble of radius 2r and 3r are in contact with each other. If the radius of curvature of the interface between the bubble in nr then find the value of n :

Two soap bubbles of radii 2 cm and 3 cm are brought in contact. Find the radius of curvature (in cm) of the contact surface.

Two soap bubble of radii r_(1) and r_(2) combime to form a single bubble of radius r under isothermal conditions . If the external pressure is P, prove that surface tension of soap solution is given by S=(P(r^(3)-r_(1)^(3)-r_(2)^(3)))/(4(r_(1)^(2)+r_(2)^(2)-r^(2))) .

Two soap bubble of radii 3 mm and 4 mm are in contact radius of curvature of interface between those two bubbles is